@charset "UTF-8";
/* =========================
  Common Section Heading
========================= */
.section-heading {
  text-align: center;
}

.section-heading__sub {
  margin: 0 0 10px;
  color: #0a4a91;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.section-heading__title {
  margin: 0;
  color: #0a4a91;
  font-size: clamp(2.0rem, 2vw, 2rem);
  line-height: 1.35;
  font-weight: 500;
}

/* =========================
  Intro
========================= */
.case-intro {
  padding: 32px 16px 20px;
}

.case-intro__inner {
  width: min(1000px, 100%);
  margin: 0 auto;
}

.case-intro__text {
  margin: 24px auto 0;
  max-width: 820px;
  color: #444;
  font-size: 1.2rem;
  line-height: 1.6;
  text-align: center;
}

/* =========================
  Case List
========================= */
.case-list {
  padding: 32px 16px 96px;
}

.case-list__inner {
  width: min(1100px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 40px;
}

.case-card {
  padding: 34px;
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 18px 40px rgba(10, 74, 145, 0.08);
  border: 1px solid rgba(10, 74, 145, 0.06);
}

.case-card__head {
  margin-bottom: 28px;
}

.case-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.case-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(242, 150, 0, 0.12);
  color: #d87400;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.2;
}

.case-tag--area {
  background: rgba(10, 74, 145, 0.1);
  color: #0a4a91;
}

.case-card__title {
  margin: 0;
  color: #0a4a91;
  font-size: 24px;
  line-height: 1.4;
  font-weight: 800;
}

.case-card__lead {
  margin: 14px 0 0;
  color: #444;
  font-size: 16px;
  line-height: 1.95;
}

.case-card__gallery{
  display: grid;
  gap: 20px;
}

/* 1行分（Before → After） */
.case-pair{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: center;
  position: relative;
}

/* 矢印（PC） */
.case-pair::after{
  content: "→";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 28px;
  font-weight: bold;
  color: #2f5fa6;
  background: #fff;
  padding: 4px 10px;
  border-radius: 50px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.case-photo {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 22px;
  background: #eef3f8;
  aspect-ratio: 4 / 3;
}

.case-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-photo__label {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 78px;
  padding: 8px 12px;
  border-radius: 16px;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.14);
}

.case-photo__label--before {
  background: #0a4a91;
}

.case-photo__label--after {
  background: #f29600;
}

.case-card__body {
  display: grid;
  gap: 24px;
}

.case-data {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.case-data__item {
  padding: 18px 20px;
  border-radius: 18px;
  background: #f7f9fc;
  border: 1px solid rgba(10, 74, 145, 0.06);
}

.case-data__item dt {
  margin-bottom: 8px;
  color: #0a4a91;
  font-size: 16px;
  font-weight: 700;
}

.case-data__item dd {
  margin: 0;
  color: #333;
  font-size: 24px;
  line-height: 1.8;
  font-weight: 500;
}

.case-card__desc {
  margin: 0;
  color: #444;
  font-size: 16px;
  line-height: 2;
}


/* =========================
  Responsive
========================= */
@media (max-width: 768px) {
  .case-intro {
    padding: 60px 16px 12px;
  }

  .case-list {
    padding: 24px 16px 72px;
  }

  .case-card {
    padding: 22px 18px;
    border-radius: 22px;
  }

  .case-pair{
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* 矢印を下向きに変更 */
  .case-pair::after{
    content: "↓";
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }

  .case-data {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .case-cta {
    padding: 0 16px 72px;
  }

  .case-cta__inner {
    padding: 30px 22px;
    border-radius: 24px;
  }

  .case-cta__buttons {
    min-width: 100%;
  }

  .case-cta__buttons .btn {
    width: 100%;
  }

  .site-footer__inner {
    width: calc(100% - 24px);
    padding: 42px 0 30px;
  }

  .site-footer__copy {
    width: calc(100% - 24px);
  }
}

@media (max-width: 480px) {
  .case-card__title {
    font-size: 24px;
  }

  .case-card__lead,
  .case-card__desc,
  .case-cta__text,
  .case-intro__text {
    font-size: 16px;
  }



  .case-data__item dd {
    font-size: 18px;
  }

}